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Capsules containing the active principle of an allergen, and process for their preparation

Assignee: LABORATORIO FARMACEUTICO LOFARMA SAS A CORP OF ITALY
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Filing: 1984-04-04
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Granted: 1987-07-21
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Expires: 2004-04-04
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Abstract

Abstract Capsules to be administered through an inhaler, or inhaler tube or nasal spray, containing a finely subdivided powder mixture of the active principle of one or more allergens, uniformly dispersed and incorporated into at least an excipient are described. The capsules have no bronchoconstrictive or irritating action on the nasal mucous membrane and are more effective than allergens administered in solution. The method of preparation is also described.

Inventors

  • 👤 Gaetano Melillo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 12:17
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/007; A61K9/0073; A61K9/0075; A61K39/00; A61K39/35

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 144 words
A telescoping two piece hard gelatine capsule perforated to emit powder through the holes, to be administered through insertion in an inhaler, inhaler tube or nasal spray, containing 40 mgs. per capsule of a finely subdivided freeze dry, anhydrous powder mixture whose particles are 90% smaller than 10 microns and the remainder 10% smaller than 20 microns of the active constituent of an allergen, which is a member selected from the group consisting of Dermatophagoides pteronyssinus, Dermatophagoides farinae, Ambrosia elatior, Agrostis maritima, Agrostis stolonifera, Poa pratensis, Dactylis glomerata, Holcus lamatus, Phleum pratense, Phalaris Canariensis, Lolium perenne, Lolium multiflorum, Festuca pratensis, Festuca ovina, Cynodon dactylon and Agarostis alba., said active constituent being uniformly dispersed into at least one lactose glucose or saccharose excipient having no brochoconstrictive or irritating action on the nasal mucous membrane in a ratio of excipient to allergen between 1:1 and 50,000:1.
Claim 2
Dependent Claim 144 words
A telescoping two piece hard gelatine capsule perforated to emit powder through the holes, to be administered through insertion in an inhaler, inhaler tube or nasal spray, containing 40 mgs. per capsule of a finely subdivided freeze dry, anhydrous powder mixture whose particles are 90% smaller than 10 microns and the remainder 10% smaller than 20 microns of the active constituent of an allergen, which is a member selected from the group consisting of Dermatophagoides pteronyssinus, Dermatophagoides farinae, Ambrosia elatior, Agrostis maritima, Agrostis stolonifera, Poa pratensis, Dactylis glomerata, Holcus lamatus, Phleum pratense, Phalaris Canariensis, Lolium perenne, Lolium multiflorum, Festuca pratensis, Festuca ovina, Cynodon dactylon and Agarostis alba., said active constituent being uniformly dispersed into at least one lactose glucose or saccharose excipient having no brochoconstrictive or irritating action on the nasal mucous membrane in a ratio of excipient to allergen between 1:1 and 50,000:1.
Claim 3
Independent Claim 178 words
A method of administration of an allergen to an individual who suffers from an allergy, which consists of administering to said individual a powder by emission through the holes of a perforated telescoping two piece hard gelatine capsule inserted in an inhaler or inhaler tube or nasal spray, said capsule containing 40 mgs. of a freeze dry, anhydrous powder which consists of a mixture whose particles are 90% smaller than 10 microns and the remainder 10% smaller than 20 microns of the active constituent of an allergen which is a member selected from the group consisting of Dermatophagoides pteronyssinus, Dermatophagoides farinae, Ambrosia elatior, Agrostis maritima, Agrostis stolonifera, Poa pratensis, Dactylis glomerata, Holcus lamatus, Phleum pratense, Phalaris canariensis, Lolium perenne, Lolium multiflorum, Festuca pratensis, Festuca ovina, Cynodon dactylon and Agrostis alba., said active constituent being uniformly dispensed in at least one lactose, glucose or saccharose excipient having no bronchoconstriction and irritation actions on the nasal mucous membrane, in a ratio of excipient to allergen between 1:1 and 50,000:1, said dry powder having a particle size lower than 50 microns.
Claim 4
Independent Claim 178 words
A method of administration of an allergen to an individual who suffers from an allergy, which consists of administering to said individual a powder by emission through the holes of a perforated telescoping two piece hard gelatine capsule inserted in an inhaler or inhaler tube or nasal spray, said capsule containing 40 mgs. of a freeze dry, anhydrous powder which consists of a mixture whose particles are 90% smaller than 10 microns and the remainder 10% smaller than 20 microns of the active constituent of an allergen which is a member selected from the group consisting of Dermatophagoides pteronyssinus, Dermatophagoides farinae, Ambrosia elatior, Agrostis maritima, Agrostis stolonifera, Poa pratensis, Dactylis glomerata, Holcus lamatus, Phleum pratense, Phalaris canariensis, Lolium perenne, Lolium multiflorum, Festuca pratensis, Festuca ovina, Cynodon dactylon and Agrostis alba., said active constituent being uniformly dispensed in at least one lactose, glucose or saccharose excipient having no bronchoconstriction and irritation actions on the nasal mucous membrane, in a ratio of excipient to allergen between 1:1 and 50,000:1, said dry powder having a particle size lower than 50 microns.
Claim 5
Dependent Claim 12 words
The method according to claim 2 wherein the allergen is Dermotophagoides pteronyssinus.
Claim 6
Dependent Claim 12 words
The method according to claim 2, wherein the allergen is Dermatophagoides farinae.
Claim 7
Dependent Claim 19 words
The method according to claim 2, wherein the allergen is a Grass allergen or a mixture of Grass allergens.
Claim 8
Dependent Claim 12 words
The method according to claim 2, wherein the allergen is Ambrosia Elatior.
Claim 9
Dependent Claim 29 words
A capsule according to claim 1, wherein the quantity of the active constituent of said allergen in each capsule ranges from 1.8 millionth to 28 millionths of a gram.

References Cited (Backward Citations)

US3148121A Cited
GB1182779A Cited
US3953588A Cited
US3995023A Cited
US4350686A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-07-20 1991-01-19 1991-07-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-07-20 1995-01-19 1995-07-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-07-20 1999-01-19 1999-07-21 $7700.00 Window Closed / Lapsed

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